Swedish research multiplies the life of rechargeable NiMH batteries

Turning electricity into food

New technique to produce hydrogen from sunlight

‘BioClay’ a ground-breaking discovery for world food security

A University of Queensland (UniQueen) team has made a discovery that could help conquer the greatest threat to global food security – pests and diseases in plants. Research leader Professor Neena Mitter said BioClay is an environmentally sustainable alternative to chemicals and pesticides – could be a game-changer for crop protection. In agriculture, the need for new control agents grows each year, driven by demand for greater production, the effects of climate change, community and regulatory demands, and toxicity and pesticide resistance.

21 days ago

Disordered crystals are promising for future battery technology

A new, scalable method for making a material that can reversibly store magnesium ions at high-voltage, the defining feature of a cathode has been developed by the researchers at the University College London (UCLondon) and the University of Illinois at Chicago. It is a significant development in moving towards magnesium-based batteries. To date, very few inorganic materials have shown reversible magnesium removal and insertion, which is key for the magnesium battery to function. Lithium-ion technology is reaching the boundary of its capability, so it’s important to look for other chemistries that will allow building batteries with a bigger storage capacity and a slimmer design. Magnesium battery technology has been championed as a possible solution to provide longer-lasting phone and electric car batteries, but getting a practical material to use as a cathode has been a challenge.

21 days ago

Harnessing algae for the creation of clean energy

Tel Aviv University (TelAvivUni) researchers discover algae can yield mass quantities of hydrogen, the world's cleanest energy source. Scientists have revealed how microalgae produce hydrogen, a clean fuel of the future, and suggest a possible mechanism to jumpstart mass production of this environmentally-friendly energy source. The research was led by Dr. Iftach Yacoby, head of TAU's renewable energy laboratory, and Rinat Semyatich, Haviva Eisenberg, Iddo Weiner and Oded Liran, his students at the School of Plant Sciences and Food Security at TAU's Faculty of Life Sciences.

21 days ago

Gene regulator that allows plant rehydration after drought

New class of materials could be used to make batteries that charge faster

New technique to identify phloem cells aids in the fight against citrus greening

A new type of energy storage system could drop the charging time of electric cars

Chemists from the University of Glasgow developed a flow battery system using a nano-molecule that can store electric power or hydrogen gas giving a new type of hybrid energy storage system that can be used as a flow battery or for hydrogen storage. Their ‘hybrid-electric-hydrogen’ flow battery, based upon the design of a nanoscale battery molecule can store energy, releasing the power on demand as electric power or hydrogen gas that can be used a fuel. When a concentrated liquid containing the nano-molecules is made, the amount of energy it can store increases by almost 10 times. The energy can be released as either electricity or hydrogen gas meaning that the system could be used flexibly in situations that might need either fuel or electric power.

21 days ago

Early detection of disease resistance in food crops

Bacterial wilt devastates food crops worldwide. It destroys major crop plants such as tomatoes, potatoes, bananas, and ginger. So far farmers have had to plant and wait for mature plants to observe resistance. Now the University of Johannesburg (UJohannesburg) research shows a possible way of saving time and reducing risk significantly for farmers and plant breeders. A new approach promises to forecast cultivar resistance at the seedling stage. Scientists use plant metabolomics and statistics to decode the plants' chemical defenses. Researchers can now analyse cultivar resistance at seedling stage for a range of threats. They use plant metabolomics and statistical modelling to decode the plants' chemical defences. Combined with genetic methods, the approach will be useful to identify resistance which depends on several genes, a long-standing challenge in plant breeding.

21 days ago

Discovery can help farmers combat stink bugs, save money on pest control

Virginia Tech researchers have discovered insights into this chemical language, which can be used to develop alternative pest controls. The team has gained a deeper understanding of how stink bugs synthesize pheromones, and this knowledge may allow us to produce pheromones in expendable food crops - also called 'trap crops' - to lure the bugs away from cash crops. These new environmentally friendly and sustainable alternatives to insecticides could save farmers millions of dollars. In Virginia, crops such as grapes, sweet corn, and apples, have been under attack by the invasive brown marmorated stink bug since 2004; cabbage has also been affected, but by the harlequin stink bug. A relative, the southern green stink bug is also a severe pest worldwide and attacks many different crops including beans and soybeans.

22 days ago

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